Anniversaries/April 16
From Sonic Retro
April 16 (add)
- 1994 — Issue #24 of Sonic the Comic is released in the United Kingdom.
- 1997 — Issue #48 of the Sonic the Hedgehog comic series by Archie Comics is released in North America. Issue #102 of Sonic the Comic is released in the United Kingdom.
- 2002 — Sonic Billiards is released for i-mode 503i compatible phones through Sega's Sonic Cafe portal in Japan.
- 2003 — Issue #122 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2014 — Issue #62 of Sonic Universe is released in North America.
- 2020 — "Kowa Reta Hoshi no Ue de", the 68th episode of Sonic X, airs in Japan.
- 2022 — Sonic Speed Simulator is released for the Roblox platform worldwide.
- 2023 — Lego Sonic the Hedgehog is announced via a product reveal trailer.